ENERGY STAR® is the government-backed symbol for energy efficiency, providing simple, credible, and unbiased information that consumers and businesses rely on to make well-informed decisions. ENERGY STAR is the simple choice for energy efficiency, making it easy for consumers and businesses to purchase products that save them money and protect the environment. ENERGY STAR DIRECTIVE (EU) 2022/2380 OF THE EUROPEAN PARLIAMENT AND OF THE COUNCIL of 23 November 2022 (Part III) y Lenovo ThinkPad SL510, Intel® Core™2 Duo, 2.2 GHz, 39.6 cm (15.6"), 1366 x 768 pixels, 4 GB, 320 GB Lenovo ThinkPad SL510. Processor family: Intel® Core™2 Duo, Processor: T6670, Processor frequency: 2.2 GHz. Display diagonal: 39.6 cm (15.6"), Display resolution: 1366 x 768 pixels. Internal memory: 4 GB, Internal memory type: DDR3-SDRAM. Total storage capacity: 320 GB, Optical drive: DVD-RW. Discrete graphics card model: Intel® GMA 4500MHD. Operating system installed: Windows 7 Professional. Product colour: Black. Weight: 2.56 kg http://asia.cnet.com/reviews/notebooks/0,39050490,45151553p,00.htm The Lenovo ThinkPad SL500 keeps the price affordable and features a consumer-friendly 16:9 display... Solid construction; matte 16:9 screen; flexible configurations and pricing. Bland, boxy design; somewhat bulky frame.